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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Jabalisaurus
Taxonomy
Jabalisaurus was named by Barrientos-Lara and Alvarado-Ortega (2021). Its type is Jabalisaurus meztli.
It was assigned to Ophthalmosaurinae by Barrientos-Lara and Alvarado-Ortega (2021).
It was assigned to Ophthalmosaurinae by Barrientos-Lara and Alvarado-Ortega (2021).
Species
J. meztli (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2021 | Jabalisaurus Barrientos-Lara and Alvarado-Ortega |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Jabalisaurus Barrientos-Lara and Alvarado-Ortega 2021
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†Jabalisaurus meztli Barrientos-Lara and Alvarado-Ortega 2021
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. I. Barrientos-Lara and J. Alvarado-Ortega 2021 | An ophthalmosaurid ichthyosaur characterized by the following autapomorphies: 1) posterior lachrymal end separating both nasal and prefrontal bones; 2) extensive contact between both lachrymal and nasal bones; 3) frontals elongated medially, with a posterior lateral expansion that gives them an L-shape; and 4) postorbital bone crescent-moon shaped, large, higher than wide, covering more than two-thirds of the skull postorbital region.
Additionally, Jabalisaurus meztli exhibits the following unique com- bination of characters: 1) large orbit, orbit length/skull length ratio 0.24; 2) skull with a broad postorbital region, relative to orbit length; 3) snout slender, snout height/jaw length ratio 0.44; 4) nasal bone with a small narial process; 5) no participation of the prefrontal in the external narial opening; 6) splenial bones elongated and participating in more than half of the mandibular symphysis; 7) the distal end of humerus with three articulation areas to join: a) anterior accessory epipodial element, b) radius, and c) ulna; 8) all phalanges hexagonal in dorsal-ventral view. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: Late/Upper Kimmeridgian or 152.21000 to 149.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Kimmeridgian | Mexico (Coahuila) | Ophthalmosaurus icenicus (110176) |